Paper-damping means.



S. R.- RICE.

PAPER DAMPING MEANS.

APPLICATION FILED 00130, 1913.

Patented June 2, 1914.

SANFORD R. RICE, 0F EMPORIA, KANSAS.

PAIPEB-DAMPING MEANS.

Specification of Letters Patent.

Application filed. October 30, 1913.

Patented June 2, 1914.

Serial No. 798,319.

To all who 1n it may concern I Be it known that I, SANFORD It. RICE, a citizen of the United States, residing at Emporia, in the county of Lyon and State of Kansas, have invented new and useful Tm: provements in Paper-Damping Means, of which the following is a specification.

As is well known to those skilled in the art, rolls of paper employed for printlng purposes are often tight at one or both ends. This tightness in the end of the paper 1s very often caused by the accumulationof moisture therein and the subsequent drying out before it is used. Rolls in such condition cause more or less trouble in printing, owing to, the fact that the tight end will often tear, and if one end is tighter than the other, the paper will be distorted in passing through the press, thereby affecting the proper register. it is the usual custom in such case, to apply water by a cloth or 'ag to the end of the roll that is t1ght, this water causing the paper to stretch. The plan is, however, unsatisfactory, particularly as the amount of moisture accumulated in the paper, cannot very well be controlled.

It is the primary object of the present 111- vention to provide novel means of a simple and practical character for dampening the paper, as it leaves the roll, thereby eifectlng the desired stretching action.

A further and imporant object is to provide means in which the supply of liquid can be controlled, and the means can be adjusted so that the application can be varied or cut off altogether, as deemed desi "able or necessary.

One embodiment of the invention is illustrated in the accompanying drawings, wherein Figure 1 is a sectional View through a portion of a printing press, showlng the web of paper and the novel means for applying water thereto. Fig. 2 is a perspective View of the damping device. Fi 3 is a sectional View on the line 33 of Fig. 2.

Similar reference numerals designate corresponding parts in all the figures of the drawings.

The machine generally is designated by the reference numeral at, and may be of any Well known. character. It of course includes a frame and suitable transverse tie rods, one of which is shown at 5. The web of paper is illustrated at 6, the portion shown being at a point where it has left the roll, and prior to its passage through the printing mechanism.

A damping device, as illustrated, is in the form of an attachment, and comprises a reservoir 7 preferably of sheet metal that is rust-proof, such as copper, galvanized iron and'the like. This reservoir has one downwardly and outwardly inclined end wall 8, and has secured to its bottom a clamping clip 9 that is arranged to be placed around the tie rod 5, or other element, and secured against movement thereon by one or more thumb bolts 10. Secured to the bottom of the reservoir at the inclined end 8 is a Wick holder, the same preferably comprising a sheet metal strip 11 soldered or otherwise fastened to the bottom and projecting beyond the end wall 8. The projecting portion of this strip has overturned clamping lips 12. A wick 13 of any suitable absorbent ma terial, has one end portion resting on the strip 11 and is held thereon by the lips 12, this wick projecting beyond the wick holder, so as to produce a loose flap. In the lower portion of the end wall 8 is formed a liquid delivery port 14, and extending from a point beneath this port to a point over the wick, is a conducting spout 0r trough 15. A filling nipple 16 is carried by the top of the reservoir 7, and has a screw cap 17 or other suitable closure.

In usingthe device, the same is placed on a tie rod, as 5, and is adjusted thereon transversely of the web, so that the free portion of the wick 13 will rest upon the margin of said web. By loosening the cap 17, more or less, a predetermined amount of liquid is permitted to How out of the port 1 1, down the spout 15, and thus be delivered on to the wick. This wick will in turn apply it to the margin of the paper, so that the paper will stretch under the action of the liquid, so applied. By moving the reservoir along the rod 5, a partor all of the wick can be applied to the margin. By screwing the cap 17 down tight, the entrance of air to the reservoir can be prevented and the supply of liquid thus cut off. Furthermore by rotating the reservoir around its supporting rod 5, a greater or less amount of wick can be permitted to lie upon the paper, or the wick can thus be removed entirely. In actual practice, preferably two of these damping devices are employed, one for each margin.

TDU

Itlll It will thus be evident that any reasonable degree of stretching can be accurately secured, and at any point in the paper. The result is an even web which will properly run through the press without breaking and will give a better register than can otherwise be obtained.

From the foregoing, it is thought that the construction, operation and many advantages of the herein described invention will be apparent to those skilled in the art with out further description, and it will be understood that various changes in the size, shape, proportion and minor details of construction may be resorted to without departing from the spirit or sacrificing any of the advantages of the invention.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. The combination with a printing press having means for guiding a paper web, of means mounted thereon and engaging the margin only of the web for correcting the inaccurate length of said margin, said means comprising a device that applies liquid accurately to the margin only of the web, and means for controlling the amount of such application.

2. The combination with a printing press having means for guiding a paper web, 0 means mounted thereon and directly engaging the margin only of the web for correcting the inaccurate length of said web, said means comprising means for applying liquid directly to said margin only.

3. The combination with a printing press having means for guiding a paper web, of means mounted thereon for correcting the inaccurate length of the web, said means comprising a device directly engaging the margin only of the web for applying liquid thereto, a reservoir for delivering liquid to the applying means, and means for varying the amount of liquid delivered from the reservoir.

l. The combination with a printing'press having means for guiding a paper web, of means mounted thereon for correcting the inaccurate length of the web as compared to the main body thereof, said means comprising a device directly engaging the margin only of the web for applying liquid thereto, and means for mounting the applying means to permit its movement transversely of the web to vary'the width of the margin engaged and moistened by the applying means.

5. The combination with a printing press having means for guiding a paper web and having a transverse support located above the same, of means for correcting the inaccurate length of the web as compared to the main body thereof, said means comprising a reservoir, means for mounting the reservoir on the support and permitting it to be adjusted thereon transversely of the web, and liquid applying means receiving liquid from the reservoir and engaging the margin only of the web to moisten the same, said applying means being adjustable with the reservoir.

6. In paper damping mechanism, a reservoir, means for controlling the admission of air to the reservoir, a delivery port in the lower portion of the reservoir, a wick holder secured to the bottom of the reservoir and having overturned wick-retaining lips, a wick mounted in the wick holder, and a spout extending from the delivery port over the wick.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

SANFORD R. RICE.

l/Vitnesses:

I. L. JILLsoN, CARL V. ECKDALL.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

